LT5515

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1.5GHz to 2.5GHz Direct Conversion Quadrature Demodulator

Part Models: 1
1ku List Price: price unavailable

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Overview

Frequency Range: 1.5GHz to 2.5GHz
High IIP3: 20dBm at 1.9GHz
High IIP2: 51dBm at 1.9GHz
Noise Figure: 16.8dB at 1.9GHz
Conversion Gain: –0.7dB at 1.9GHz
I/Q Gain Mismatch: 0.3dB
I/Q Phase Mismatch: 1°
Shutdown Mode
16-Lead QFN 4mm x 4mm Package with Exposed Pad

The LT5515 is a 1.5GHz to 2.5GHz direct conversion quadrature demodulator optimized for high linearity receiver applications. It is suitable for communications receivers where an RF signal is directly converted into I and Q baseband signals with bandwidth up to 260MHz. The LT5515 incorporates balanced I and Q mixers, LO buffer amplifiers and a precision, high frequency quadrature generator.

In an RF receiver, the high linearity of the LT5515 provides excellent spur-free dynamic range, even with fixed gain front end amplification. This direct conversion receiver can eliminate the need for intermediate frequency (IF) signal processing, as well as the corresponding requirements for image filtering and IF filtering. Channel filtering can be performed directly at the outputs of the I and Q channels. These outputs can interface directly to channelselect filters (LPFs) or to a baseband amplifier.

Applications

Cellular/PCS/UMTS Infrastructure
High Linearity Direct Conversion I/Q Receiver
High Linearity I/Q Demodulator
RF Power Amplifier Linearization

Part Models: 1
1ku List Price: price unavailable

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LT5515EUF#PBF	16-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jul 28, 2022 - 22_0058 Obsolescence of Generics LT5500/LT5511/LT5515/LT5518/LT5528/LT5558/LT5571/LTC5544
		PDN22_0058_Form Material_Report
LT5515EUF#PBF	Obsolete	PDN22_0058_Form Material_Report

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
LTC5585	PRODUCTION	Wideband IQ Demodulator with IIP2 and DC Offset Control

Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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